- Durable construction: Made from high-quality materials to ensure long-lasting performance and efficiency, especially for frequent professional use. - Optimized sharpening alignment: Effectively sharpens straight drill bits, extends their life with fast, precise results, and improves work efficiency without issues. - Maintains original drill angle for precision: Preserves the original tip angle to deliver precise, uniform grinding and accurate drilling results. - Easy to use: Intuitive design enables quick, precise sharpening without the need for complex tools. - Compatibility and performance: Designed for standard straight-shank drill bits, delivering reliable results across common materials. Use scenarios - In a metal fabrication shop, regularly refresh dull straight bits to maintain cutting efficiency and reduce downtime. - On construction sites or carpentry shops, restore sharpness quickly to improve hole quality and finish. - In maintenance or repair settings, extend tool life and lower replacement costs by keeping drill bits in optimal condition.